html {
  font-size: 62.5%;
  line-height: 1.5;
  user-select: none;

  #app {
    width: 100vw;
    min-height: 100vh;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB',
      'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #303133;
    background-color: #F4F4F4;
  }

}

button {
  background-color: #66b1ff;
  width: 100%;
  height: 40px;
  outline: none;
  font-size: $font-size-medium-l;
  color: #fff;
}